Common behavior includes scanning for Login Data in browser profiles (Chrome/Edge) or targeting Discord tokens. Summary of Findings Observation Persistence Scheduled Task or Registry Key Language Network C2 communication on non-standard ports Objective Likely an Infostealer or Downloader Indicators of Compromise (IoCs) Filename: WinFormsApp23.11.exe Dropped Files: %TEMP%\tmpXXXX.tmp
Check the Resources section. Malware often hides an encrypted second-stage executable or a DLL inside the manifest resources, which is decrypted at runtime using AES or a simple XOR stub. 3. Dynamic Behavior WinFormsApp23.11.zip
Upon extracting the archive, the primary file is a standard Windows executable. Using tools like or PEStudio , the following attributes are identified: Common behavior includes scanning for Login Data in
The Main method typically initializes the GUI, but in malicious samples, it may include a Resource loader or a Process.Start command. The app may copy itself to %AppData%\Roaming and
The app may copy itself to %AppData%\Roaming and create a Registry Run key: HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Running the sample in a sandbox (e.g., ANY.RUN or Flare-VM) reveals the following actions:
Software\Microsoft\Windows\CurrentVersion\Run\WinFormsApp